28 lines
1.1 KiB
C++
28 lines
1.1 KiB
C++
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// RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-passes -emit-llvm -o - -O1 %s | FileCheck %s -check-prefixes=CHECK,OLD-PATH
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// RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-passes -emit-llvm -new-struct-path-tbaa -o - -O1 %s | FileCheck %s -check-prefixes=CHECK,NEW-PATH
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//
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// Test that TBAA works in the Microsoft C++ ABI. We used to error out while
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// attempting to mangle RTTI.
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struct StructA {
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int a;
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};
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struct StructB : virtual StructA {
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StructB();
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};
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StructB::StructB() {
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a = 42;
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// CHECK: store i32 42, i32* {{.*}}, !tbaa [[TAG_A_i32:!.*]]
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}
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// OLD-PATH: [[TYPE_INT:!.*]] = !{!"int", [[TYPE_CHAR:!.*]], i64 0}
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// OLD-PATH: [[TYPE_CHAR]] = !{!"omnipotent char", !
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// OLD-PATH: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0}
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// OLD-PATH: [[TYPE_A]] = !{!"?AUStructA@@", [[TYPE_INT]], i64 0}
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// NEW-PATH: [[TYPE_INT:!.*]] = !{[[TYPE_CHAR:!.*]], i64 4, !"int"}
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// NEW-PATH: [[TYPE_CHAR]] = !{{{.*}}, i64 1, !"omnipotent char"}
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// NEW-PATH: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0, i64 4}
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// NEW-PATH: [[TYPE_A]] = !{[[TYPE_CHAR]], i64 4, !"?AUStructA@@", [[TYPE_INT]], i64 0, i64 4}
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